For the first week of material, collection events are picked up at the school 850 kg of paper and 305 kg of rags, representing 55% of the total collection for 14 days. How many kilograms of secondary raw materials were handed over in total?

Correct answer:

x =  2100 kg

Step-by-step explanation:

850+305 = 0.55 x

850+305 = 0.55·x

0.55x = 1155

x = 1155/0.55 = 2100

x = 2100

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Math student
There is no real answer? ^_^

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